1. Thoracic ultrasonography;Reef,1998
2. Thoracic ultrasonography;Marr;Equine Vet Educ,1993
3. The investigation of pleural effusions in the horse;Mair;Equine Vet Educ,1992
4. Ultrasonographic evaluation;Reef,1991
5. Diagnostic ultrasonography of the equine thorax;Reimer;Compend Contin Educ Pract Vet,1990